Japan nuclear explosion 311.
(photo credit: REUTERS/NTV via Reuters TV)
The death toll in Japan continued to rise on Thursday, with 5,178 reported dead and 8,606 unaccounted for, according to Japan National Police estimates.
Approximately 380,000 evacuees live in shelters, police said.
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Also on Thursday, the United States said it was sending aircraft to Japan to help Americans worried about spreading radiation leave the country.
US officials expressed alarm, but took pains not to criticize the Japanese government, which
has shown signs of being overwhelmed by the crisis, but Washington's
actions indicated a divide with the Japanese about the perilousness of
Operators of a quake-crippled nuclear plant in Japan dumped water on overheating reactors
, while the United States expressed growing alarm about leaking radiation and said it was chartering aircraft to help Americans leave the country.
Engineers were rushing against time to run in a power line off the main grid to fire up the water pumps needed to cool two reactors and the spent fuel rods considered most at risk.
Also on Thursday, a Swedish official said that low concentrations of radioactive particles are heading eastwards from Japan's disaster-hit nuclear power plant towards North America.
Lars-Erik De Geer, research director at the Swedish Defence Research Institute, a government agency, was citing data from a network of international monitoring stations.
He stressed that the levels were not dangerous for people.
The Foreign Ministry on Thursday recommended that Israelis in Tokyo leave the city for more southern locations further away from the earthquake-damaged nuclear reactor, or consider leaving the country all together.
Israelis were also advised to avoid unnecessary trips to Japan until further notice.
Israelis in Japan were advised to remain in contact with the embassy in Tokyo, which is operating as usual.
While Japanese officials were scrambling with a patchwork of fixes at the facility, the top US nuclear regulator warned that reactor No.4's cooling pool for spent fuel rods may have run dry and another was leaking.
"There is no water in the spent fuel pool and we believe that radiation levels are extremely high, which could possibly impact the ability to take corrective measures," Gregory Jaczko, head of the Nuclear Regulatory Commission, told a US House Energy and Commerce subcommittee hearing.
"It would be very difficult for emergency workers to get near the reactors. The doses they could experience would potentially be lethal doses in a very short period of time."
The plant operator said it believed the No.4 reactor spent fuel pool still had water as of Wednesday.
Japan said the United States would fly a high-altitude drone over the stricken complex to gauge the situation, and had offered to send nuclear experts.
A State Department official said flights would be laid on for Americans to leave and family of embassy staff had been authorised to leave if they wanted.Markets swoon, G7 ministers to hold emergency call
A stream of gloomy warnings and reports on the Japan crisis from experts and officials around the world triggered a sharp fall in US financial markets, with all three major stock indexes slumping on fears of slower worldwide growth.
In a sign of the degree of concern among top policymakers, one G7 central banker, who asked not to be identified, said he was "extremely worried" about the wider effects of the crisis in Japan, the world's third-largest economy.
"I think the world economy is going to go right down and it has happened at a time when financial markets are still very fragile," he said.
G7 finance ministers will hold a conference call later on Thursday to discuss steps to help Japan cope with the financial and economic impact of the disaster, a source said.Bid to get power restored to reactors
nuclear agency said radiation levels at the plant "continued to fall",
but the government appealed to private companies to help deliver
supplies to tens of thousands of people evacuated from a 30-km (18-mile)
zone around the complex.
Tokyo Electric Power Co. (TEPCO)
officials said bulldozers attempted to clear a route to the reactor so
fire trucks could gain access and try to cool the facility using hoses.
radiation levels on Wednesday prevented a helicopter from dropping
water into No. 3 to try to cool its fuel rods after an earlier explosion
damaged its roof and cooling system.
Another attempt on Thursday
appeared to be partially successful, with two of four water drops over
the site hitting their mark. The giant, twin-blade aircraft have to make
precisely timed flyovers and drops to avoid the brunt of the radiation.Embassies urge citizens to leave
Scores of flights to Japan have been halted or rerouted and air travelers are avoiding Tokyo for fear of radiation.
Thursday, the US embassy in Tokyo urged citizens living within 50 miles
(80 km) of the Daiichi plant to evacuate or remain indoors "as a
precaution", while Britain's foreign office urged citizens "to consider
leaving the area".
The warnings were not as strong as those
issued earlier by France and Australia, which urged nationals in Japan
to leave the country. Russia said it planned to evacuate families of
diplomats on Friday.
At its worst, radiation in Tokyo has reached
0.809 microsieverts per hour this week, 10 times below what a person
would receive if exposed to a dental x-ray. Early on Thursday, radiation
levels were barely above average.
But many Tokyo residents stayed indoors, usually busy streets were nearly deserted and many shops and offices were closed.
bank, Mizuho , said all its automatic teller machines in the country
briefly crashed. It doubted the problem was connected to the earthquake
or power cuts, but it triggered a rush to withdraw cash from machines in